21006987197

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1\times {\mathrm{96461}}^1$

素因数の和:97108

約数の個数: 16

約数和(自身を含む): 24502891392

約数和(自身を除く): 3495904195

約数列:

[1, 7, 53, 371, 587, 4109, 31111, 96461, 217777, 675227, 5112433, 35787031, 56622607, 396358249, 3000998171, 21006987197]

約数ペア:

[(1, 21006987197), (7, 3000998171), (53, 396358249), (371, 56622607), (587, 35787031), (4109, 5112433), (31111, 675227), (96461, 217777)]